Full Stack Programmer (ASP.NET Core)
Summary
Full stack developer building and maintaining ASP.NET Core (C#) applications for TEMS, the company's Total Exhibition Management System used by major Asian trade shows. Day to day: web UIs, APIs, SQL Server database work, client-specific customizations, and troubleshooting during live events, alongside teams in Hong Kong and Japan.
About the role
We are hiring a Full Stack Programmer to design, develop, and maintain our ASP.NET Core applications. You will work closely with product and operations teams to deliver reliable features used by exhibition organizers, exhibitors, and visitors—often under real event timelines.
Key responsibilities
Design, develop, and maintain full-stack features on ASP.NET Core
Build and improve web UIs, APIs, and server-side business logic
Work with databases (design, queries, performance, data integrity)
Customize modules for client exhibitions and evolving operational needs
Troubleshoot issues across environments, including peak event periods
Collaborate with teammates in Hong Kong and Japan; document clearly
Contribute to code quality, testing, and continuous improvement
About you
Solid experience with ASP.NET Core (C#) for web applications
Full-stack capability: backend APIs/services and frontend web development
Experience with SQL Server or similar relational databases
Understanding of HTML, CSS, and JavaScript (or TypeScript)
Ability to turn business requirements into practical, maintainable solutions
Good problem-solving skills and ownership of delivery quality
Comfortable communicating in English and Cantonese; Japanese is a plus
Experience with large multi-tenant or modular SaaS-style systems (nice to have)
Familiarity with AWS or other cloud hosting (nice to have)
Knowledge of authentication, security best practices, and performance tuning (nice to have)
About us
SokNet Planning Limited is an IT team based in Hong Kong and Japan. Since 1996, we have built digital solutions for exhibitions and events. Our flagship product, TEMS (Total Exhibition Management System), powers major shows across Asia—from exhibitor applications and visitor check-in to seminars and business matching.
Benefits
Meaningful work on products used by major exhibitions (e.g. JIMTOF, Tourism EXPO Japan, BioJapan)
A practical engineering culture focused on real operational outcomes
Multilingual, cross-border collaboration (Japanese / English / Chinese)
Opportunity to grow across product development, customization, and client delivery